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Motor Protection Circuit Breaker MPX3 100H | 80-100A Adjustable | 75kA Short-Circuit Capacity | IP20 Rated | @EA of 1 | by Legrand
The Motor Protection Circuit Breaker MPX3 100H is designed for reliable protection of 3-phase motors, featuring an adjustable overload release current from 80-100A and a robust 75kA short-circuit breaking capacity. Ideal for industrial and tertiary electrical installations, this breaker ensures optimal performance and safety in switchboards and power cabinets.
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Technical Specifications
- Rated operating voltage: 220-690 V
- Rated permanent current (Iu): 100 A
- Overload release current setting: 80-100 A
- Undelayed short-circuit release adjustment range: 1300 A
- Rated short-circuit breaking capacity (Icu) at 400 V AC: 75 kA
- Rated operation power at AC-3, 230 V: 30 kW
- Rated operation power at AC-3, 400 V: 45 kW
- Number of poles: 3
- Degree of protection (IP): IP20
- Type of electrical connection: Frame clamp
- Control element: Turn button
- Device construction: Built-in fixed device
- Includes integrated auxiliary switch and under voltage release
- Dimensions (H x L x W): 165mm x 171mm x 70mm
- Weight: 1.5 kg
Key Features
- Thermomagnetic switch off technique for reliable motor protection
- Overload release current setting adjustable from 80-100 A
- Short-circuit release adjustable range 1300-1300 A
- Rated short-circuit breaking capacity of 75 kA at 400 V AC
- Integrated auxiliary switch and under voltage release
- Compatible with MPX3 auxiliaries
- Cage terminals capacity from 2mm² to 70mm²
- Compact size for optimized cabinet space
- Easy operation with rotary handle
Professional Installation Requirements
- Installation must be performed by a qualified electrician following Legrand installation instructions and local electrical codes.
Applications
- Protection of 3-phase motors up to 45kW / 415V
- Tertiary and industrial electrical installations
- Control and signalling in switchboards and power cabinets
Standards & Compliance
- Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation)
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Designed with substance-restriction compliance and environmentally conscious manufacturing processes
- Helps prevent motor damage and energy waste by providing reliable overload and short-circuit protection
Warranty Information
Standard manufacturer warranty applies. Please refer to Legrand's official warranty policy for details.
Available Now
The Legrand Motor Protection Circuit Breaker MPX3 100H 80-100A 50KA is available for immediate purchase, ideal for industrial and tertiary motor protection applications.
